Namespace Sql
Class CSqlException

class CSqlException: public IException {
public:
    enum {
        cannotCreateEnvironment,
        invalidNumberOfParameters,
        invalidColumnName,
        cannotFetchColumnData,
        databaseInterfaceError
        };
public:
    CSqlException(int nCode);
    CSqlException(int nCode, const CString &strArg);
    CSqlException(
        int nCode, 
        const CString &strArg1, 
        const CString &strArg2);
    CSqlException(
        int nCode, 
        const CString &strArg1, 
        const CString &strArg2,
        const CString &strArg3);
    CSqlException(int nCode, IException *pException);
    ~CSqlException();
public:
    CString ToString();
    };

The exception thrown by database interface functions.

Every exception of this class is assigned an integer exception code. Allowed values for exception codes are specified by the anonymous enumeration contained in this class declaration.

Up to three optional informational strings may be associated with the exception. Alterantively, the exception of this class may be used to wrap information contained in another exception.

Since:

1.00.00

Version:

1.00.00

Author:

Alexey Gokhberg

CSqlException

CSqlException(int nCode);

Constructs the exception.

Parameters:

nCode - the exception code

CSqlException

CSqlException(int nCode, const CString &strArg);

Constructs the exception with one informational string.

Parameters:

nCode - the exception code

strArg - the informational string

CSqlException

CSqlException(
    int nCode, 
    const CString &strArg1, 
    const CString &strArg2);

Constructs the exception with two informational strings.

Parameters:

nCode - the exception code

strArg1 - the first informational string

strArg2 - the second informational string

CSqlException

CSqlException(
    int nCode, 
    const CString &strArg1, 
    const CString &strArg2,
    const CString &strArg3);

Constructs the exception with three informational strings.

Parameters:

nCode - the exception code

strArg1 - the first informational string

strArg2 - the second informational string

strArg3 - the third informational string

CSqlException

CSqlException(int nCode, IException *pException);

Constructs the exception wrapping another exception.

Parameters:

nCode - the exception code

pException - the exception to be wrapped

~CSqlException

~CSqlException();

Destroys the exception.

ToString

CString ToString();

Returns the string representation of this exception.

Returns:

the string representation of this exception